@media screen and (max-width: 649px) {
	* {
		margin: 0;
		padding: 0;
		list-style: none;
		box-sizing: border-box;
		font-family: PingFangSC-Regular, PingFang SC;
	}

	a:link {
		font-size: 0.75rem !important;
	}

	.right {
		position: absolute;
		top: 450px;
		width: 100%;
	}

	.right img {
		width: 100%;
		display: block;
	}

	#web_page {
		display: none;
	}

	#mobile_page {
		box-sizing: border-box;
		min-width: 100%;
	}

	.logo_content img {
		width: 6.5rem;
		height: auto;
	}

	.mask {
		display: none;
		position: fixed;
		width: 100%;
		height: 100%;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		height: 100%;
		width: 100%;
		background: rgba(0, 0, 0, 0.2);
		z-index: 999;
	}

	.mask .mask-top {
		border-radius: 20px 20px 0 0;
		width: 360px;
		background-color: #fff;
		padding-top: 30px;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		padding-bottom: 20px;
		border-bottom: 1px solid rgba(0, 0, 0, 0.2);
	}

	.mask .mask-top p {
		font-size: 22px;
		font-family: PingFangSC-Medium, PingFang SC;
		font-weight: 500;
		color: #233d63;
		line-height: 40px;
		margin-top: 10px;
	}

	.mask .mask-top img {
		width: 50px;
		height: 50px;
	}

	.mask .maskbottom {
		height: 60px;
		display: flex;
		justify-content: center;
		align-items: center;
		background-color: #fff;
		width: 360px;
		border-radius: 0 0 20px 20px;
	}

	.mask .maskbottom div {
		font-size: 22px;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #9fa3aa;
		line-height: 37px;
		cursor: pointer;
	}

	.top {
		padding: 30px 0;
		box-sizing: border-box;
		background: url(img/mobile_top_bg.png) no-repeat;
		display: flex;
		position: relative;
		background-size: 100% 100%;
		background-position: center;
		height: 37rem;
	}

	.top_content {
		width: 100%;
		margin: 0 auto;
		position: relative;
	}

	.top .image img {
		width: 9rem;
		height: auto;
	}

	.top img.logo_title {
		width: 12rem;
		height: auto;
		display: block;
	}

	.session {
		width: 100%;
		margin-top: 3rem;
	}

	.session_content {
		width: 100%;
		margin: 0 auto;
		position: relative;
	}

	.intr01 {
		width: 100%;
		position: relative;
		margin-top: -2rem;
		text-align: center;
	}

	.intr01 img {
		width: 20rem;
		display: inline-block;
	}

	.intr_image {
		display: block;
		width: 16rem;
		height: auto;
	}

	.session_content .intr_content {
		width: 100% !important;
		padding: 0 1.5rem;
	}

	.intr_tip {
		display: block;
		width: 2rem;
		height: auto;
	}

	.intr_content h3 {
		margin-left: 1.5rem;
		font-size: 1.5rem;
		font-weight: normal;
		color: #303030;
		margin-top: 2rem;
	}

	.intr_content p {
		font-size: 1.2rem;
		font-weight: normal;
		color: #303030;
		margin-top: 2rem;
	
	}

	.intr_image_content {
		width: 100%;
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.intr02 .intr_image_content {
		padding-top: 3rem;
	}

	.intr03 .intr_image_content {
		padding-top: 3rem;
		padding-bottom: 5rem;
	}

	.intr02 .intr_image_content {
		background: url(img/mobile_intr02_bg.png) no-repeat;
		position: relative;
		background-size: cover;
		background-position: center;
	}

	.intr03 .intr_image_content {
		background: url(img/mobile_intr03_bg.png) no-repeat;
		position: relative;
		background-size: cover;
		background-position: center;
	}

	.intr02 {
		width: 100%;
	}

	.intr03 {
		width: 100%;
	}

	.banner {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 0 20px;
	}

	.banner a {
		padding: 9px 15px;
		font-size: 20px;
		font-weight: 400;
		color: #ffffff;
		text-align: center;
		color: #fff !important;
	}

	.logo_content {
		display: flex;
		align-items: center;
	}

	.content {
		background: url(img/biggest2.png) no-repeat;
		display: flex;
		position: relative;
		background-size: cover;
		background-position: center;
	}
	.content > div {
		width: 1000px;
		margin: 0 auto;
		display: flex;
		justify-content: space-between;
	}

	.content .left {
		padding-top: 150px;
		margin-right: 100px;
		box-sizing: border-box;
	}

	.content .left h3 {
		font-size: 70px;
		color: #fff;
		font-family: PingFangSC-Regular, PingFang SC;
	}

	.content .left p {
		width: 474px;
		font-size: 20px;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #ffffff;
		line-height: 27px;
		-webkit-background-clip: text;
	}

	.image {
		display: flex;
		width: 100%;
		align-items: center;
		align-content: center;
		justify-content: center;
	}

	.left {
		margin-top: 3rem;
		width: 100%;
		padding: 0 1.2rem;
	}

	.footer {
		font-size: 0.75rem;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #233d63;
		line-height: 1.5;
		text-align: center;
		padding: 0 0 5rem 0;
		background-color: #fff;
	}

	.ft {
		display: flex;
		flex-direction: row;
		flex-wrap: nowrap;
		align-content: center;
		justify-content: center;
		align-items: center;
	}

	.ft p {
		display: inline-block;
	}

	.mtb {
		font-size: .9rem;
		color: #fff;
		width: 100%;
		margin-top: 2rem;
		margin-bottom: 3rem;
		font-weight: normal;
	}

	.ft img {
		width: 0.75rem;
		display: block;
		margin-right: 0.2rem;
	}
}
.intr_content{
	width: 1200px !important;
}
#paragraph{
	font-size: 14px;
	height: 300px;
	overflow: auto;
}
@media screen and (min-width: 650px) {
	* {
		margin: 0;
		padding: 0;
		list-style: none;
		font-family: PingFangSC-Regular, PingFang SC;
	}

	#web_page {
		box-sizing: border-box;
		min-width: 1000px;
	}

	#mobile_page {
		display: none;
	}

	.right {
		position: absolute;
		right: 0;
		top: 120px;
		width: 400px;
	}

	.right img {
		width: 100%;
		display: block;
	}

	.mask {
		display: none;
		position: fixed;
		width: 100%;
		height: 100%;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		height: 100%;
		width: 100%;
		background: rgba(0, 0, 0, 0.2);
		z-index: 999;
	}

	.mask .mask-top {
		border-radius: 20px 20px 0 0;
		width: 360px;
		background-color: #fff;
		padding-top: 30px;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		padding-bottom: 20px;
		border-bottom: 1px solid rgba(0, 0, 0, 0.2);
	}

	.mask .mask-top p {
		font-size: 22px;
		font-family: PingFangSC-Medium, PingFang SC;
		font-weight: 500;
		color: #233d63;
		line-height: 40px;
		margin-top: 10px;
	}

	.mask .mask-top img {
		width: 50px;
		height: 50px;
	}

	.mask .maskbottom {
		height: 60px;
		display: flex;
		justify-content: center;
		align-items: center;
		background-color: #fff;
		width: 360px;
		border-radius: 0 0 20px 20px;
	}

	.mask .maskbottom div {
		font-size: 22px;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #9fa3aa;
		line-height: 37px;
		cursor: pointer;
	}

	.top {
		padding: 30px 0;
		box-sizing: border-box;
		background: url(img/top_bg.png) no-repeat;
		display: flex;
		position: relative;
		background-size: 100% 100%;
		background-position: center;
		height: 750px;
	}

	.top_content {
		width: 1000px;
		margin: 0 auto;
		position: relative;
	}

	.top .image img {
		width: 160px;
		height: auto;
	}

	.top img.logo_title {
		width: 200px;
		height: auto;
		display: block;
	}

	.session {
		width: 100%;
		margin-top: 100px;
	}

	.session_content {
		width: 1000px;
		margin: 0 auto;
		position: relative;
		display: flex;
		justify-content: flex-start;
		align-items: center;
	}

	.intr_image {
		display: block;
		width: 350px;
		height: auto;
	}

	.intr_content {
		width: 450px;
	}

	.intr_tip {
		display: block;
		width: 30px;
		height: auto;
	}

	.intr_content h3 {
		margin-left: 20px;
		font-size: 30px;
		font-weight: 500;
		color: #303030;
		margin-top: 30px;
	}

	.intr_content p {
		font-size: 20px;
		font-weight: normal;
		color: #303030;
		margin-top: 30px;
		margin-left: 20px;
	}

	.intr02 {
		background: url(img/intr02_bg.png) no-repeat;
		position: relative;
		background-size: 100% 100%;
		background-position: center;
		margin-top: 150px;
	}

	.intr03 {
		background: url(img/intr03_bg.png) no-repeat;
		position: relative;
		background-size: 100% 100%;
		background-position: center;
	}

	.intr02 .intr_content {
	padding-bottom: 40px
	}

	.intr03 .intr_image {
		margin-left: 200px;
	}

	.banner {
		display: flex;
		align-items: center;
		justify-content: space-between;
	}

	.banner a {
		padding: 9px 15px;
		font-size: 20px;
		font-weight: 400;
		color: #ffffff;
		text-align: center;
		color: #fff !important;
	}

	.logo_content {
		display: flex;
		align-items: center;
	}

	.content {
		background: url(img/biggest2.png) no-repeat;
		display: flex;
		position: relative;
		background-size: cover;
		background-position: center;
	}
	.content > div {
		width: 1000px;
		margin: 0 auto;
		display: flex;
		justify-content: space-between;
	}

	.content .left {
		padding-top: 150px;
		margin-right: 100px;
		box-sizing: border-box;
	}

	.content .left h3 {
		font-size: 70px;
		color: #fff;
		font-family: PingFangSC-Regular, PingFang SC;
	}

	.content .left p {
		width: 474px;
		font-size: 20px;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #ffffff;
		line-height: 27px;
		-webkit-background-clip: text;
	}

	.image {
		display: flex;
		width: 474px;
		align-items: center;
		align-content: center;
		justify-content: start;
	}

	.left {
		margin-top: 120px;
	}

	.footer {
		font-size: 12px;
		font-family: PingFangSC-Regular, PingFang SC;
		font-weight: 400;
		color: #233d63;
		line-height: 1.5;
		text-align: center;
		padding: 30px 0;
		background-color: #fff;
	}

	.ft {
		display: flex;
		flex-direction: row;
		flex-wrap: nowrap;
		align-content: center;
		justify-content: center;
		align-items: center;
	}

	.ft p {
		display: inline-block;
	}

	.mtb {
		font-size: 18px;
		color: #fff;
		width: 550px;
		margin-top: 20px;
		margin-bottom: 30px;
		font-weight: normal;
	}

	.ft img {
		width: 12px;
		display: block;
		margin-right: 5px;
	}
}
.mask-content {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

a {
	text-decoration: none;
	font-size: 12px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #233d63;
	display: flex;
	justify-content: center;
	align-items: center;
	align-content: center;
}
a:link {
	text-decoration: none;
	font-size: 12px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #233d63;
}
a:visited {
	text-decoration: none;
	font-size: 12px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #233d63;
}
a:hover {
	text-decoration: none;
	font-size: 12px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #233d63;
}
a:active {
	text-decoration: none;
	font-size: 12px;
	font-family: PingFangSC-Regular, PingFang SC;
	font-weight: 400;
	color: #233d63;
}
.ga {
	position: relative;
	left: -5px;
}

.image img {
	cursor: pointer;
}